<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>Demo</title>
    <style>html, body { overscroll-behavior-x: contain; }</style>
  </head>
  <body style="overscroll-behavior-x: contain">
    <div id="root" style="overscroll-behavior-x: contain"></div>
    <script type="module" src="/src/demo.tsx"></script>
  </body>
</html>